Disconnectors & Earthing Switches

An overview of our disconnectors and earthing switches

Learn more about the range and technology of high-voltage disconnectors and earthing switches. Our recommended high-voltage disconnectors and earthing switches combine state-of-the-art technology with the highest quality standards for a voltage range from 36 kV to 800 kV.

Most important features:

  • Voltage range from 36 kV to 800 kV
  • Rated current up to 5000 A (80 kA – 1 s)
  • Short-circuit currents are maximum values and maybe only valid for 1 s – needs to be verified for specific application
  • Durable materials for use in strong seismic activity
  • Suitable for indoor and outdoor use
  • Switching capacity requirements, such as the commutating currents, electromagnetic and/or electrostatic couplings (also with values above and beyond the IEC)


  • Maintenance-free contact system without spring elements
  • Outstanding price-performance ratio
  • Operational under all severe climatic conditions, including in coastal regions and areas with dramatic temperature differences, high risk of ice formation or strong seismic activity
  • Type-tested according to IEC 62271-102
  • Quality control system certified according to DIN EN ISO 9001
  • Delivery of completely routine-tested and pre-adjusted assemblies simplifies setup and commissioning
  • Life-time technical support and service on short notice
  • Choose the right product for your specific requirement from our portfolio.

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